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Skill catalog

506backend & apis agent skills synced from skills.sh, with their install counts. Read them here, or let your agent fetch the right one through the Graph-of-Skills MCP server.

Want your agent to use these? Set up Graph-of-Skills or get a free key. How these skills are sourced and what we check. Cannot find one? Your agent can write a skill for your own library. Have skills of your own? Install one on another machine. A skill that comes from GitHub shows its npx skills add command on its page.

  1. Discover and evaluate Laravel packages via LaraPlugins.io MCP. Use when the user wants to find plugins, check package health, or assess Laravel/PHP compatibility.

    9,026 installs
  2. okx-onchain-gateway okx/onchainos-skills

    Onchain transaction gateway across XLayer, Solana, Ethereum, Base, BSC, Arbitrum, Polygon and 20+ chains. Invoke to broadcast a pre-signed / raw / already-signed transaction, push a serialized tx on-chain, query current…

    8,809 installs
  3. typespec-api-operations github/awesome-copilot

    Add GET, POST, PATCH, and DELETE operations to a TypeSpec API plugin with proper routing, parameters, and adaptive cards

    8,774 installs
  4. notion-cli makenotion/skills

    Use the Notion CLI (`ntn`) to interact with the Notion API, manage workers, and upload files. Use when the user asks to "call the Notion API", "deploy a worker", "upload a file to Notion", "create a page", "query a data…

    8,767 installs
  5. Build a new API connector or provider by matching the target repo's existing integration pattern exactly. Use when adding one more integration without inventing a second architecture.

    8,757 installs
  6. typespec-create-api-plugin github/awesome-copilot

    Generate a TypeSpec API plugin with REST operations, authentication, and Adaptive Cards for Microsoft 365 Copilot

    8,700 installs
  7. incidentio-cli paymog/incidentio-cli

    Invoke the `incidentio` CLI to drive the incident.io API — incidents, actions, follow-ups, alerts/alert sources/routes, escalations & on-call schedules, catalog (types/entries/resources), custom fields, severities, inci…

    8,562 installs
  8. mysql planetscale/database-skills

    Plan and review MySQL/InnoDB schema, indexing, query tuning, transactions, and operations. Use when creating or modifying MySQL tables, indexes, or queries; diagnosing slow/locking behavior; planning migrations; or trou…

    8,532 installs
  9. spring-boot-engineer jeffallan/claude-skills

    Generates Spring Boot 3.x configurations, creates REST controllers, implements Spring Security 6 authentication flows, sets up Spring Data JPA repositories, and configures reactive WebFlux endpoints. Use when building S…

    8,439 installs
  10. twitter-api fetcher-sh/fetcher-skills

    A Twitter API alternative and X API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no OAuth and no developer application. Use when the user wants to search tweets by key…

    8,022 installs
  11. developer-platform-kickoff samber/developer-platform-skills

    Before starting any developer-platform, public-API, or integration work - or whenever no other platform skill has been chosen - route the task to the right skill in samber/developer-platform-skills, or say plainly that…

    7,840 installs
  12. webhook-platform-design samber/developer-platform-skills

    Design a provider-side outbound webhook platform - event taxonomy and catalog, payload envelope and schema versioning, an HMAC signing scheme (Standard Webhooks), at-least-once delivery with retry/backoff and dead-lette…

    7,840 installs
  13. api-auth-key-management samber/developer-platform-skills

    Design the API-key authentication surface a platform issues to its own API consumers - key format with prefix+checksum conventions, hashed (irretrievable) vs encrypted (retrievable) storage, zero-downtime rotation with…

    7,830 installs
  14. api-reference-quality samber/developer-platform-skills

    Audit a published API reference at the endpoint level against its spec surface - every operation, parameter, response code, and error documented, request/response examples present, per-language code snippets in parity,…

    7,830 installs
  15. api-test-mode-design samber/developer-platform-skills

    Design the test/sandbox mode of a public API platform so external integrators build and validate without touching real money, messages, or data - isolation architecture (soft test-mode toggle vs hard separate-copy sandb…

    7,807 installs
  16. api-idempotency-retry samber/developer-platform-skills

    Design idempotency-key support and client retry guidance for a public API so integrators retry safely - key derivation and per-caller scoping, storage TTL and replay windows, atomic claim mechanisms (DB unique constrain…

    7,787 installs
  17. api-integration-surface-strategy samber/developer-platform-skills

    Decide which integration surfaces a platform offers external developers and AI agents - REST, GraphQL, gRPC, SQL access, bulk data sharing, webhooks, SDKs, CLI, MCP, embedded components - and in what build order, sequen…

    7,778 installs
  18. api-status-communication samber/developer-platform-skills

    Design how an API platform communicates status and incidents to external consumers - status-page modeling (the four-stage incident lifecycle, degraded/partial/major component semantics, component granularity), monitorin…

    7,776 installs
  19. coupang-product-search nomadamas/k-skill

    k-skill-proxy의 공식 Coupang Partners API 경로로 쿠팡 상품을 검색하고 로켓배송·가격 후보를 비교한다. 돌쇠에서는 공식 표면을 통한 후속 액션까지 진행한다.

    7,763 installs
  20. api-rate-limit-policy samber/developer-platform-skills

    Design the rate-limit policy a public API publishes to its consumers - the metering model per paradigm (REST request counting vs GraphQL cost points), tier and quota-vs-burst numbers, multi-tenant fairness, rate-limit h…

    7,755 installs
  21. rivetkit rivet-dev/skills

    RivetKit backend and Rivet Actor runtime guidance. Use for building, modifying, debugging, or testing Rivet Actors, registries, serverless/runner modes, deployment, or actor-based workflows.

    7,740 installs
  22. public-api-design-review samber/developer-platform-skills

    Audit an existing or proposed public REST API surface as a checklist-driven design review - resource and URI naming, HTTP method and status-code correctness, field-naming consistency, pagination pattern choice, filterin…

    7,609 installs
  23. api-error-design samber/developer-platform-skills

    Design the error surface of a public API so integrators self-serve fixes - a machine-readable error-code taxonomy (flat catalog, code/subcode, Google-style domain/reason), the RFC 9457 problem-details envelope with exte…

    7,594 installs
  24. public-graphql-api-design samber/developer-platform-skills

    Design a public GraphQL API for third-party developers - the GraphQL-or-not gate, schema conventions (naming, nullability, Node interface, input/payload types), Relay cursor-connection pagination, union/interface error…

    7,587 installs
  25. public-grpc-api-design samber/developer-platform-skills

    Design a public gRPC surface for external developers - the when-gRPC-at-all gate (most platforms keep gRPC internal and publish REST or transcoded JSON), AIP proto package and versioning conventions, buf breaking-change…

    7,584 installs
  26. sql-jdbc-access-design samber/developer-platform-skills

    Design customer-facing SQL access to a product's data - a JDBC/ODBC endpoint, warehouse share, or hosted query surface. Covers the architecture gate by scan frequency (zero-copy share, replicated copy, per-tenant comput…

    7,582 installs
  27. api-versioning-policy samber/developer-platform-skills

    Define the versioning and deprecation policy for an API - version scheme choice (URI path, header, date-based account-pinned, or deliberate no-versioning), a written breaking-change definition, deprecation notice window…

    7,569 installs
  28. clickhouse-js-node-troubleshooting clickhouse/agent-skills

    Troubleshoot and resolve common issues with the ClickHouse Node.js client (@clickhouse/client). Use this skill whenever a user reports errors, unexpected behavior, or configuration questions involving the Node.js client…

    7,556 installs
  29. kleague-results nomadamas/k-skill

    케이리그 경기 결과와 현재 순위를 날짜/팀 기준으로 조회한다. 공식 JSON 엔드포인트와 kleague-results npm 패키지를 사용한다.

    7,522 installs
  30. system-design anthropics/knowledge-work-plugins

    Design systems, services, and architectures. Trigger with "design a system for", "how should we architect", "system design for", "what's the right architecture for", or when the user needs help with API design, data mod…

    7,481 installs
  31. fastapi-patterns affaan-m/ecc

    FastAPI best practices covering project structure, Pydantic v2 schemas, dependency injection, async handlers, authentication, authorization, transactional service layers, and testing with httpx and pytest. Use when buil…

    7,328 installs
  32. connector-weatherapi caffeinelabs/skills

    MANDATORY recipe for every Caffeine build that reads weather data from a canister. The supported path is the `weatherapi-client` mops package (WeatherAPI.com) over outbound HTTPS, authenticated with a query-string API k…

    7,165 installs
  33. Manages Google Analytics account and property settings, enables the Analytics Admin API via the Cloud CLI, lists accounts and properties, and manages data streams, custom dimensions, conversion events, and integrations.…

    7,102 installs
  34. redis-patterns affaan-m/ecc

    Redis data structure patterns, caching strategies, distributed locks, rate limiting, pub/sub, and connection management for production applications. Use when adding caching, a distributed lock, rate limiting, or pub/sub…

    7,053 installs
  35. mysql-patterns affaan-m/ecc

    MySQL and MariaDB schema, query, indexing, transaction, replication, and connection-pool patterns for production backends. Use when designing MySQL or MariaDB schemas and indexes, or when a query, transaction, or replic…

    6,996 installs
  36. Guides developers through Google Ads API quickstart: credential setup, choosing from 6 client libraries/REST, configuring environments, and running a "retrieve campaigns" script. Troubleshoots common setup errors: USER_…

    6,928 installs
  37. payload payloadcms/skills

    Use when working with Payload projects (payload.config.ts, collections, fields, hooks, access control, Payload API). Use when debugging validation errors, security issues, relationship queries, transactions, or hook beh…

    6,886 installs
  38. instagram-api fetcher-sh/fetcher-skills

    An Instagram API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no login and no session cookies. Use when the user wants to resolve an Instagram profile by @handle, sear…

    6,739 installs
  39. quarkus-patterns affaan-m/ecc

    Quarkus 3.x LTS architecture patterns with Camel for messaging, RESTful API design, CDI services, data access with Panache, and async processing. Use for Java Quarkus backend work with event-driven architectures. Use wh…

    6,682 installs
  40. tiktok-api fetcher-sh/fetcher-skills

    A TikTok API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no login and no app review. Use when the user wants to search TikTok posts by keyword and sort by most-liked…

    6,676 installs
  41. gh-cli trailofbits/skills

    Enforces authenticated gh CLI workflows over unauthenticated curl, WebFetch, and MCP fetch patterns. Use when working with GitHub URLs, API access, pull requests, or issues.

    6,629 installs
  42. Apifox 导入导出与质量门禁:导入 OpenAPI/Postman/Apifox 原生格式,导出 OpenAPI/HTML/Markdown/Postman/Apifox 原生格式;导入前校验 spec 完整性、tags 分组、schema/body 覆盖率,导入后验证计数、模块和资源可见性。

    6,582 installs
  43. storing-and-querying-vectors aws/agent-toolkit-for-aws

    Store and query vector embeddings using Amazon S3 Vectors, a cost-effective long-term vector storage service with its own API namespace (s3vectors). Triggers on: create S3 vector bucket, vector index, store embeddings,…

    6,559 installs
  44. prisma-patterns affaan-m/ecc

    Prisma ORM patterns for TypeScript backends — schema design, query optimization, transactions, pagination, and critical traps like updateMany returning count not records, $transaction timeouts, migrate dev resetting the…

    6,543 installs
  45. connecting-lambda-to-api-gateway aws/agent-toolkit-for-aws

    Connects an existing AWS Lambda function to Amazon API Gateway by creating a REST or HTTP API with resource/method setup, Lambda proxy integration, permissions, and deployment. Always use this skill when connecting Lamb…

    6,535 installs
  46. Apifox API 生命周期工作流:从需求到接口设计、Schema、环境、Mock、测试用例、文档导出/发布和分支合并。用户要“创建一组 API 并补齐测试/Mock/文档”时使用。

    6,517 installs
  47. angular-http analogjs/angular-skills

    DEPRECATED - this skill is unmaintained. Use the official Angular skills at https://github.com/angular/skills instead. Implement HTTP data fetching in Angular v20+ using resource(), httpResource(), and HttpClient. Use f…

    6,504 installs
  48. apifox-branch apifox.com

    Apifox 分支协作:普通分支、迭代分支、AI 分支、pick-to、merge、merge-request、保护分支、AI 写入权限与分支资源变更流程。用户要在分支上修改资源、创建 AI 分支或合并改动时使用。

    6,502 installs
  49. api-designer jeffallan/claude-skills

    Use when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture. Invoke for resource modeling, versioning strategies, pagination patterns, error handling standards.

    6,490 installs
  50. naver-news-search nomadamas/k-skill

    네이버 검색 Open API 뉴스 검색(news.json)을 k-skill-proxy 경유로 조회해 최신 뉴스 기사 제목·발행시각·링크·요약을 보수적으로 정리한다. 사용자는 별도 API 키 발급 없이 호출한다.

    6,412 installs